"We're not willing to pull the hand back yet, because we think there's still some opportunity, but I think concerns out here of some kind of a grand bargain are completely unrealistic."
VOA: standard.2009.05.05
You're allowed Cv comes out here for this adiabatic expansion, which is not a constant volume only because this is always true for an ideal gas.
绝热过程写下,这个式子是因为它对理想气体都成立,并没有用到等容过程的条件,只用了理想气体的条件。
Just because, I don't know, people out here have such strong opinions
因为这里的人们很有主见,
So, if we think about the bonds that are forming -- oh I see our TAs are here, so you can start handing them out, because we have two minutes left to go.
如果我们考虑所成的键-,我看到助教们都来了,你们可以开始发讲义了,我们还有两分钟就下课了。
It doesn't look that straight because I was running out of room up here.
看起来不是很直,因为地方不够了
But please try and look at--somebody's not looking at it, because they're using it as a fan here-- So look at Game 1 and fill out that form for me, okay?
请大家看下游戏1 我知道有人没看,他们用那张纸扇风呢,快浏览下游戏1 然后填完 好吗
I moved here because I have had a job out here,
搬到这里是因为我在这边找到一份工作,
You always want to check your signs at the and because it's so easy to get the sign wrong, and I was hoping that it was right here because I wasn't sure, but it turned out to be right.
我们完成计算时,一定要记得检查符号,因为很容易弄错符号,刚才我就不太确定,是否弄错了符号,检查发现没有问题。
And I'll point out as we proceed, because I kind of have to start using the cloud here.
稍后我会继续指出,我们需要,开始使用云了。
So, for example, if we're to hold the time constant, this makes it a lot simpler of an equation, because what we can end up doing is actually crossing out this whole term here.
比如说,如果我们把时间,定为常数,这使得方程,大大简化,因为我们可以把,这一项划掉。
So, this makes this chart shown in pink make a lot more sense, because if we're way out at very far distances, essentially what we have here is we're talking about two separate atoms.
因此综合考虑这些因素可以发现这条粉红色曲线很合理,因为如果我们离得非常远,本质上来说,我们讨论的就是两个分开的原子。
We can know this information even if we just knew that the bond was stronger, we wouldn't need to look at a graph here, because it turns out that if you have a stronger bond, -- that also means that you have a shorter bond -- those two are correlated.
我们依然可以得到上面的信息,即使我们所知道仅仅是这个键更强,我们不需要去看这个图,因为事实上如果你有一个更强的键,这也就意味着你有一个更短的键-,这两点是互相关联的。
The reason that I wanted to point out this nodal plane here is because this is why it is called a pi orbital.
我指出这个节面的原因是因为,它就是为什么这个叫做π轨道的原因。
I left out the noble gases here because they do something a little bit special, and actually, I'm going to give you one last clicker question today to see if you can tell me what you think noble gases do.
我并没有把稀有气体算在里面,因为它们的电子亲和能有点特别,实际上,我将会把这作为今天的,最后一个选择题,来请大家告诉我,你们觉得稀有气体电子亲和能应该是怎样的。
so it's important to note that it's not in b, now we're talking about b plus, because we've already taken an electron out here.
其中有一个非常重要的地方需要注意,不是硼,而是正一价硼离子,因为我们已经拿走了一个电子了。
And, in fact, it kind of looks like a function, and yet here's a semicolon I just said that can get you into trouble, and yet that's not actually a function, because there's no interesting lines of code, because it turns out the interesting code is down here at the bottom.
实际上,它有点像一个函数,并且这里有一个能够使你陷入麻烦当中的分号,那个事实上也不是一个函数,因为这里没有有用的代码,因为,有用的代码都在底端。
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